Briefs: Information Technology
Analysis Method for Quantifying Vehicle Design Goals

A document discusses a method for using Design Structure Matrices (DSM), coupled with high-level tools representing important life-cycle parameters, to comprehensively conceptualize a flight/ground space transportation system design by dealing with such variables as performance, up-front...

Briefs: Information Technology
Improved Tracking of Targets by Cameras on a Mars Rover

A paper describes a method devised to increase the robustness and accuracy of tracking of targets by means of three stereoscopic pairs of video cameras on a Mars-rover-type exploratory robotic vehicle. Two of the camera pairs are mounted on a mast that can be adjusted in pan and tilt; the...

Briefs: Mechanical & Fluid Systems
Sample Caching Subsystem

A paper describes the Sample Caching Subsystem (SCS), a method for storing planetary core and soil samples in a container that seals the samples away from the environment to protect the integrity of the samples and any organics they might contain. This process places samples in individual sleeves that are sealed within a...

Briefs: Mechanical & Fluid Systems
Multistage Passive Cooler for Spaceborne Instruments

A document describes a three-stage passive radiative cooler for a cryogenic spectrometer to be launched into a low orbit around the Moon. This cooler is relatively lightweight and compact, and its basic design is scalable and otherwise adaptable to other applications in which there are...

Briefs: Information Technology
GVIPS Models and Software

Two reports discuss, respectively, (1) the generalized viscoplasticity with potential structure (GVIPS) class of mathematical models and (2) the Constitutive Material Parameter Estimator (COMPARE) computer program. GVIPS models are constructed within a thermodynamics- and potential-based theoretical framework, wherein...

Briefs: Mechanical & Fluid Systems
Stowable Energy-Absorbing Rocker-Bogie Suspensions

A report discusses the design of the rocker-bogie suspensions of the Mars Exploration Rover vehicles, which were landed on Mars in January 2004. Going beyond the basic requirements regarding mobility on uneven terrain, the design had to satisfy requirements (1) to enable each suspension to...

Evolutionary rather than revolutionary changes characterize the motion control market. Motors and motor controllers continue to gravitate toward higher performance and...

Application Briefs: Motion Control
Precision Motors Help Guided Parachutes Deliver Cargo

The Onyx guided parachute designed and manufactured by Atair Aerospace (Brooklyn, NY) is an autonomous precision airdrop system. The unmanned aerial vehicle (UAV) uses motors and...

Products: Robotics, Automation & Control
Hybrid Stepper Motors

AMETEK Technical and Industrial Products (Kent, OH) has unveiled its MAE brand hybrid stepper motors in three series for high performance positioning applications. The HY Series steppers, in sizes 16, 17, 23, and 42,...

Products: Robotics, Automation & Control
Ceramic Linear Motor Actuator

The N-310 NEXACT ceramic linear motor actuator from Physik Instrumente L.P. exhibits a 10 Newton push-pull force with 20 mm travel and a maximum speed of 10 mm/sec. It provides picometer resolution, millisecond...

Products: Robotics, Automation & Control
Vibration Motor Driver IC

The Melexis MLX90283 vibration motor driver IC from Melexis Microelectronic Integrated Systems (Concord, NH) is designed to overcome the problem of single-phase brushless dc motors starting in the incorrect...

Products: Robotics, Automation & Control
Rotary Motion Simulators

The ARMS series direct-drive rotary motion simulators from Aerotech (Pittsburgh) can provide resolutions as fine as 0.02 arcsecond, with accuracy to +/-2.5 arcsecond and repeatability to +/-0.5 arcsecond. The motor...

Products: Robotics, Automation & Control
Spring Brake

The BFK458-L stopping and holding brake from Lenze-AC Tech (Uxbrdige, MA) is guaranteed to run for 10,000,000 cycles or two years of service life. The spring-applied brake has a cast iron casing and carries a two-year...

Products: Robotics, Automation & Control
Hybrid Linear Actuators

Haydon Switch & Instrument Inc.’s 35000 series double stack hybrid linear actuators measure 1.4 square in. and are available in captive, non-captive, and external linear versions. The size 14 actuators are...

Products: Robotics, Automation & Control
Piezoelectric amplifier

DSM (Franklin, TN) has introduced the VF-90 linear photoelectric amplifier for space-constrained and OEM applications. Compatible with National Instrument’s CompactRIO and CompactDAQ modular chassis, the amplifier...

Products: Robotics, Automation & Control
Variable Speed Motor

The DynaMotor from DynaMotors Inc. (Cleveland, OH) is designed to produce more torque than motors of comparable size. For instance, a NEMA 56 frame TEFC DynaMotor generates 11 foot-lb. of torque at 600 rpm — three...

Products: Robotics, Automation & Control
Servomotor Couplings

The ServoClass coupling line from Zero-Max (Plymouth, MA) has been expanded with three new sizes to handle bore diameters from 0.875 to 1.378" and operating torque from 3.937 to 9,843 in. lb. The lightweight couplings...

Products: Robotics, Automation & Control
Cylinder Position Sensor

The BIM-UNT universal magnetic field sensor from Turck (Minneapolis) uses magneto-resistive, board level technology that improves performance. In addition, the sensing face has been placed in front of the sensor to...

Products: Robotics, Automation & Control
Conveyor System Valve

The Series VFD poppet valve for zero pressure accumulation conveyor systems from SMC Corp. of America (Indianapolis) provides a coefficient of volume flow (Cv) of 0.10 with an operating pressure range of 0 to 72 psi to handle large pressure drops found on long conveyor runs. It is designed to be incorporated with a conveyor...

Products: Robotics, Automation & Control
Flat Brushless DC Motors

The nuvoDisc flat brushless dc motors from Portescap (West Chester, PA) measure just 32 mm diameter and 11.7 mm long, suiting it to space-constrained applications such as barcode scanners.

Most of us have seen still images or slow-motion video of fast-moving objects, such as a missile in flight or a humming bird flapping its wings. Both scenarios...

The Mobile & Marine Robotics Research Centre (MMRRC) at the University of Limerick in Ireland created a generic solution for underwater development. During...

As thin-film technology advances, it’s increasingly important to monitor the film’s characteristics. That’s because eliminating irregularities in thin films — used...

New MP3 players from a global electronics manufacturer like Sony are destined for a demanding consumer market and cannot be compromised in any way. In Malaysia, the company...

A battery-powered, pen-sized, portable instrument for measuring molecular fluorescence spectra of chemical and biological samples in the field has been proposed. Molecular fluorescence...

An architecture for back-illuminated complementary metal oxide/semiconductor (CMOS) and charge-coupled-device (CCD) ultraviolet/visible/near infrared-light image sensors, and a...

A compact, high-resolution, two-dimensional excitation-emission matrix fluorometer (EEMF) has been designed and built specifically for use in identifying and measuring the...

A metrology system that contains no moving parts simultaneously measures the bearings and ranges of multiple reflective targets in its vicinity, enabling determination of the...

Products: Imaging
Microscope Camera

JENOPTIK Laser, Jena, Germany, offers the ProgRes® CT2 microscope camera with CMOS sensor technology. The ProgRes CT3 is dedicated to bright field and reflective light microscopy, but is also suitable for other...

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